We find out what happens to contaminated meat, such as the products recalled after the recent Listeria outbreak. We hear from food control experts and microbiologists, Dr. Juno Thomas, the head of Enteric Diseases at the National Institute for Communicable Diseases and Dr. Lucia Anelich. Our scientist behind the science this week is Professor Elelwani Ramugondo from the University of Cape Town, who gives us an insight into occupational.